Alfa AWUS1900 is a new quad antenna 802.11ac Wi-Fi USB receiver boasting router connection speeds of up to 1900 Mbps (1300 Mbps for 5 Ghz + 600 Mbps for 2.4 Gz). 

It is compatible with Microsoft Windows 7, 8/8.1, and Windows 10. 

This connects to your computers USB port with enclosed USB 3.0 cable and boosts the Wi-Fi performance of that specific PC. This is not a router or repeater. 

Its four transmit/four receive (4T4R) dual band antenna technology allows utilization of both 2.4 and 5 Ghz radio bands on 802.11ac routers for a combined max connect rate of 1900 mbps. The antennas can be detached and extended or upgraded (extension requires optional coaxial cable extension not included in retail box).

This item comes with a 30-day return period. There is no restocking fee for defective or not-as-described items, or items returned for exchange. Otherwise we charge a minimal 10% restocking fee to help cover original postage which is included in the item price. There are no other warranties on this auction, expressed or implied. The exception to this is if the description states there is a manufacturer's warranty.